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Subjects
Science State Board
Class 10
Transportation in plants & Circulation in animals
Circulation in animals
6.
Diastole, systole, blood grouping
Exercise condition:
3
m.
Choose the appropriate answer
:
1
.
Bicuspid and tricuspid valves close immediately, producing the first heart sound.
True
False
2
.
A prolonged rise in blood pressure is known as hypotension.
True
False
3
.
\(Rh^-\) persons have Rh antigen on the membrane surface of RBC.
True
False
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